Malicious PDF — malware analysis report

Static analysis result for SHA-256 fd75ed5e46a222d4…

MALICIOUS

PDF

47.9 KB Created: 2020-08-20 04:48:34 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: ea19ce2f862b0486e4b40f70745dcc55 SHA-1: aa3ec9103b3640a9d48f6be35ca6992fe326e813 SHA-256: fd75ed5e46a222d4c45756592f74036260f57930e24eb144bc3e07ae8051665a
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. This indicates the document is designed to lead the user to a malicious site. The PDF also contains a link farm heuristic, suggesting an attempt to manipulate search engine results or distribute multiple malicious links. No scripts were extracted, but the presence of the malicious URL is sufficient evidence for the attack pattern.

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.com/pify?keyword=building+information+modelling%2528+bim+adalah In PDF document text
    • http://files.fortlincoln.org/uploads/1/3/0/8/130874588/1e019.pdfIn PDF document text
    • http://files.theroyalposts.com/uploads/1/3/0/7/130739892/4058753.pdfIn PDF document text
    • http://vowifiw.applefarmcommunity.org/uploads/1/3/2/3/132303382/pesimalixi-nuxabowimuxoxo-bogoxorano.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/1/0431/3343/6055/files/walter_savitch_absolute_c_6th_edition.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6245/0586/files/66572791290.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8856/7706/files/2036748836.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4392/1820/files/54629422629.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/7941/6473/files/npm_commands_list.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7813/1611/files/vulaletetexoxetosapul.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7749/1098/files/54999372514.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/4769/7056/files/fap_titans_nutaku.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8396/4317/files/gunotudojotiludeligazid.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://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Related samples 4

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

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000678f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x678F 5412 bytes
SHA-256: 4754e806cf133ce35fc92584db7d2c5a3c522049730325ec97d74b4929e82d2a
font_01_sfnt_off000079ca.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x79CA 10272 bytes
SHA-256: c61170808f2429de105b3f302e6658953a369031d92f385b4a137ce918e2ca19
font_02_sfnt_off00009d24.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9D24 16248 bytes
SHA-256: 5de73026302e12575a7079d7d19aebb7fafca4cd7f907197697a1abb39e7678a

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