Malicious PDF — malware analysis report

Static analysis result for SHA-256 22a5cd06586fa348…

MALICIOUS

PDF

43.5 KB Created: 2020-09-18 23:19:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 19d41d41bd764c1fffb58a83ea867a6e SHA-1: d9c70afc33bf27b4067ae5595eeb7f92329eb75b SHA-256: 22a5cd06586fa3481ca0609d1494352de03dd21772219a72b22e4b10872473ff
194 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, with a critical heuristic firing for a malicious redirector pointing to 'ttraff.club'. The document body, though heavily obfuscated, contains the same URL and keywords suggesting a lure for a 'wifi password apk 2020'. The ML classifier strongly supports the malicious nature of this PDF, indicating it's designed to redirect users to harmful content.

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.club/wix?keyword=wifi+password+apk+2020 In PDF document text
    • http://files.jacobsearslibrary.org/uploads/1/3/2/6/132696171/tebomarefiget.pdfIn PDF document text
    • http://files.kiwikainz.com/uploads/1/3/0/9/130969810/sevebovuvomaberobudi.pdfIn PDF document text
    • http://wufigero.elainedodgecopy.com/uploads/1/3/1/6/131637254/66f195.pdfIn PDF document text
    • http://files.hookedontravelagency.com/uploads/1/3/0/7/130776602/2848163.pdfIn PDF document text
    • http://files.tianabridalcollections.com/uploads/1/3/0/7/130740049/domobape-paginu-sitipegeruwur-butiv.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/1/0431/1249/7305/files/carbon_cycle_gizmo_answer_key.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0464/6889/0782/files/celemony_melodyne_free_full.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0043/0746/files/chevrolet_equinox_2015_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2920/7957/files/biderman_s_chart_of_coercion.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9116/5333/files/effet_de_levier_conomie.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2930/7293/files/algebra_2_trig_textbook_mcdougal_littell.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6237/0210/files/45172384124.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0461/0732/8675/files/post_a_to_facebook.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0659/0104/files/pulagele.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0459/2035/4455/files/feder.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/85986419962.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_off00006b1e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6B1E 5448 bytes
SHA-256: e6c5f0fe825201796cd1704d14d1079726b893fe38a6c69d405f29d7899febaa
font_01_sfnt_off00007dd7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7DD7 10312 bytes
SHA-256: f4220fb41e65c7f7394b128cd18f45397428771bf59ae1dff40e46339c96a43c

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