Malicious PDF — malware analysis report

Static analysis result for SHA-256 dd09d68553ee975d…

MALICIOUS

PDF

70.2 KB Created: 2020-08-11 23:54:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 886b89300da7f34d8f66e2a7e490a7e7 SHA-1: 852efe4aef0cf308654350b8b06f12418bc50dea SHA-256: dd09d68553ee975d9f3a3b0d422c4243f758bcedb6100a94116b19aaca5e6fda
194 Risk Score

Malware Insights

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

The PDF contains a mass of external links, with one prominent URL leading to a known malicious redirector. The document body, though heavily obfuscated, contains the same URL, suggesting the primary intent is to redirect the user to malicious infrastructure. The heuristic firings confirm the presence of a malicious redirector and a link farm, indicating a phishing or social engineering attempt.

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.ru/pify?keyword=access+consciousness+foundation+manual+pdf In PDF document text
    • http://files.kaylaberghoff.com/uploads/1/3/0/7/130738675/4470566.pdfIn PDF document text
    • http://sifezeb.onwardcatholicsoldier.com/uploads/1/3/2/6/132681670/xudowukalevaxabe.pdfIn PDF document text
    • http://files.brewerfirstrobotics.com/uploads/1/3/2/6/132681558/gitulebe.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9092/8026/files/pases_de_frica_e_suas_capitais.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9838/3260/files/dozimisesadirovob.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3414/0056/files/monisofepelovelagam.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0449/8564/7272/files/tinkers_construct_alien.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9660/4825/files/pimebivegusuxipoj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3268/2397/files/23004609768.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2104/0792/files/25776969841.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0386/2440/files/derat.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/3673/5650/files/vikurawukarodeneso.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3964/5093/files/ditelurutogajizasafapasa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2027/8171/files/76390705664.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1528/1568/files/hostile_takeover_definition.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1868/9434/files/bilaspur_university_time_table_2020.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

Related samples 8

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

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d37c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD37C 5196 bytes
SHA-256: de63c9aed9d11b07708ae1ad748ac3c149f6089578b323112d671a3bcbc4c01c
font_01_sfnt_off0000e50d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE50D 11384 bytes
SHA-256: 3ea61fe0cddaeecbff2d2a8aa2f9b146d124dd54ef45833ce8e5b587bbb24c98

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