Malicious PDF — malware analysis report

Static analysis result for SHA-256 f9e12d1baa118532…

MALICIOUS

PDF

47.2 KB Created: 2020-08-19 11:46:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 67239ed2b1345b7fb7a519db0449fbce SHA-1: 348791375c796c0d7cbf2c0e7cb085143c55e328 SHA-256: f9e12d1baa118532876d39d38441080f4da916a67e02ed22a2582be111910490
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 Shopify domains, but one critical link directs to a known malicious redirector. This suggests a link farm or SEO poisoning attack designed to lure users to malicious content. The primary malicious URL identified is https://ttraff.com/pify?keyword=shankara+mahadeva+chandrachooda+song+free.

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=shankara+mahadeva+chandrachooda+song+free In PDF document text
    • http://likape.backfortybees.com/uploads/1/3/2/8/132816036/719a675f5.pdfIn PDF document text
    • http://files.cbdlink.com/uploads/1/3/1/4/131438071/9105d0e4935f.pdfIn PDF document text
    • http://files.thefriendshipcentre.co.uk/uploads/1/3/1/3/131380741/wivexuvam_pudopotizel.pdfIn PDF document text
    • http://paduno.bhseducationfoundation.com/uploads/1/3/1/0/131070571/wifowevuvuzasiv_kelizetekax_sidugo_ripow.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zosogorimojafi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8349/7621/files/arquitectura_de_computadoras_pearson.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9664/5536/files/smoke_background_vector_free.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7186/3961/files/13959645467.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0804/0853/files/majasufitomarejupafis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/84860081798.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4530/6011/files/tutorodusafodajaworedime.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/9032/7205/files/84591877871.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5523/5740/files/lysol_hydrogen_peroxide_safety_data_sheet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1089/9624/files/vageribigifun.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0799/1208/files/tumblr_theme_max_davis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5892/1621/files/tuzidenemagunufexemaduguz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6086/2882/files/equivalent_fractions_year_4.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006262.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6262 5288 bytes
SHA-256: 39d74ca69e0d54b63ef514ec50de91aac536c75f4bb4edcf4666092b6be9f47d
font_01_sfnt_off0000741c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x741C 14408 bytes
SHA-256: e1d38db9ef9007891b65f5e22c6c873568851f19f000681586bdf691e0ece144
font_02_sfnt_off0000a1b6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA1B6 4324 bytes
SHA-256: 7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71