Malicious PDF — malware analysis report

Static analysis result for SHA-256 9f79fb63217c2c52…

MALICIOUS

PDF

62.0 KB Created: 2020-08-22 11:37:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: ddd22ffa4fadcf417c0aed1d0b20176f SHA-1: a790de0d9bda946d51eeb3108899e92574765c2e SHA-256: 9f79fb63217c2c521933d9884fbedf5a083923b6da64b49467b0371e27118ac2
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded links, many of which point to a known malicious redirector. The document body, though heavily obfuscated, contains references to a movie song and the URL https://ttraff.cc/pify?keyword=agent+vinod+movie+song++bestwap, suggesting a lure to entice users to click on malicious links. The ML classifier also strongly indicated maliciousness.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://ttraff.cc/pify?keyword=agent+vinod+movie+song++bestwap In PDF document text
    • http://files.whistlingwingshrc.com/uploads/1/3/0/7/130775021/jidivafipe.pdfIn PDF document text
    • http://girivu.yabraff.com/uploads/1/3/1/6/131606457/tejazujimot.pdfIn PDF document text
    • http://maravifo.sassyarabia.com/uploads/1/3/0/8/130874426/2567911.pdfIn PDF document text
    • http://files.carreis.li/uploads/1/3/0/7/130776402/8404074.pdfIn PDF document text
    • http://miwuvolik.emmett-technique.us/uploads/1/3/0/8/130813780/7b024596d2925a9.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://fedorahosted.org/lohitIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4251/2797/files/14265728486.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2920/7957/files/zerim.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6584/3620/files/list_of_bc_caste_in_tamilnadu_in_tamil.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0445/5848/3620/files/gagobolufuzukanawip.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/4387/1127/files/51394112338.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3729/4754/files/14827515748.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5480/9759/files/kenmore_self_cleaning_oven.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7369/0017/files/types_of_smart_antenna.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/8908/2006/files/en_la_ardiente_oscuridad_english_translation.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8544/6824/files/30616996307.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text
    • http://www.geocities.com/mitra_anirban/hobbies.htmGNUIn PDF document text
    • http://www.gnu.org/copyleft/gpl.htmRegularIn PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000069b7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x69B7 5432 bytes
SHA-256: 06cfba25345a72fc0f3d74e84d3e21d362462063d68590764f9f5e37a1142a97
font_01_sfnt_off00007c30.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7C30 3720 bytes
SHA-256: 40ef96da86b6123d577d475be460de15c41b9ca7393a8e650be4e9942aa3c64b
font_02_sfnt_off0000878a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x878A 8984 bytes
SHA-256: c4b9cd217d18c0f12c1e184bd90f256ab7acd0d10947addf19cca41ee64f6eaa
font_03_sfnt_off00009ad6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9AD6 11336 bytes
SHA-256: 2c3289ff65cd3f161b6799dd1745292eed20c8c71eab9081fcbf9b231fa06c6e
font_04_sfnt_off0000c199.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC199 16576 bytes
SHA-256: 48cacea5d0cd852c56eec09732fb4382483aadabbc8e677fb168c3a5b0e13b28
font_05_sfnt_off0000d877.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD877 4472 bytes
SHA-256: f9f7b14a0dd522fdd227092c25ec8a4a2fae5fda848195ea122e9f4648cc746f

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