Malicious PDF — malware analysis report

Static analysis result for SHA-256 71034477574e239d…

MALICIOUS

PDF

39.4 KB Created: 2020-08-14 14:30:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 111b6e9c0809ba775b0483ecfeeda690 SHA-1: f18f2746c2714c4a8ebf0bf3367c69ca17dc39ee SHA-256: 71034477574e239d9c787766c3a8bb1fd46b0361bd2fbac134da4188cfc6b3a3
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains numerous links, many pointing to a redirector infrastructure associated with malicious activity. The ML classifier also strongly indicated maliciousness. The document body, though obfuscated, contains the URL 'https://ttraff.cc/pify?keyword=advanced+rx+pa+form', which is identified as a malicious redirector. This suggests the document is designed to trick users into visiting malicious websites, likely for phishing or malware distribution.

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=advanced+rx+pa+form In PDF document text
    • http://files.uniquebyruth.com/uploads/1/3/1/4/131437750/9048b926025e.pdfIn PDF document text
    • http://gufuroxej.animatedstep-by-steps.com/uploads/1/3/1/0/131069934/pexurozasat.pdfIn PDF document text
    • http://files.chichestersecuredog.co.uk/uploads/1/3/1/3/131379939/gilonazakelajo_rofirexot_wimiwazusigi.pdfIn PDF document text
    • http://files.marisol-saona.com/uploads/1/3/0/9/130969446/fc06dd444bf0c8.pdfIn PDF document text
    • http://files.bohemiansagegallery.com/uploads/1/3/1/1/131164047/9db39e68051.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/1/0434/5695/4518/files/turejigosasisefanituduki.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3636/0351/files/gogotebapori.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5906/9599/files/53675193848.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9665/4489/files/vopipovuf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/4607/4525/files/stp_oil_filters.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4379/0760/files/pillars_of_eternity_garodh_s_chorus.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3626/9983/files/juxowagukuluxonabalunikuz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1202/2691/files/kizulukixodiz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1437/4047/files/gadosiga.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6971/0242/files/the_brightest_stars_anna_todd.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7217/6799/files/sulul.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3343/6055/files/arizona_beneficiary_deed_form.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/4705/7568/files/cerebellar_infarction.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5743/1196/files/45568314372.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3723/7146/files/12284605280.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005c17.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5C17 5208 bytes
SHA-256: 9d9afe52ca53e2959662a581358a68c8cc0fc60443c5cba6d6e9643f5ddd145c
font_01_sfnt_off00006dba.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6DBA 10340 bytes
SHA-256: f525f43bf63494286163b4ff42014895020ae685828b8e069fbdf2d3bc16fca1