Malicious PDF — malware analysis report

Static analysis result for SHA-256 e35c042db92d2474…

MALICIOUS

PDF

49.8 KB Created: 2020-08-12 19:49:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: a1ffa1565f84ceec63e9715aa84248da SHA-1: 119b68bbaa47429b10dda946345ddb50f5744e73 SHA-256: e35c042db92d2474a66a7de7d14391c524283ba921e94573d97b817755058f35
194 Risk Score

Malware Insights

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

The PDF was flagged by a critical heuristic for linking to known malicious redirector infrastructure. Additionally, it contains a mass of external PDF links, many hosted on Shopify, which is indicative of a link farm or SEO spam campaign. The primary malicious URL identified is https://ttraff.cc/pify?keyword=manuel+castells+rise+of+the+network+society+pdf, which likely serves as a gateway to further malicious 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.cc/pify?keyword=manuel+castells+rise+of+the+network+society+pdf In PDF document text
    • http://files.elkhornfumc.com/uploads/1/3/1/4/131438567/rofolapime.pdfIn PDF document text
    • http://files.hadadithaimassage.com/uploads/1/3/1/6/131606011/lanoxoj.pdfIn PDF document text
    • http://fogojaso.thedevilskaiju.com/uploads/1/3/1/6/131637881/nonumal.pdfIn PDF document text
    • http://files.whitebridgestables.com/uploads/1/3/1/0/131071252/patiludofugumel_revujodumig.pdfIn PDF document text
    • http://files.katephelps.com/uploads/1/3/0/7/130775825/5923422.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/1/0434/3260/7900/files/the_passion_of_perpetua_and_felicitas.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1289/8461/files/notupejuguju.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8984/5671/files/upsc_cds_syllabus_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/6953/6411/files/datupaxusu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9150/0961/files/94773311776.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7433/8454/files/gowipopafesatuzetofidok.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/3745/6534/files/12914427325.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7496/8997/files/tesun.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8280/9508/files/69063062378.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8536/4390/files/likonigajixitumakivosove.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5036/0232/files/lepitejezixewiwusuwar.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8181/0599/files/30822301303.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_off000083e2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x83E2 5508 bytes
SHA-256: ec4c94eade7cc0c5516e0ea6470f5700056d5591de71469b7630cbdb812d8015
font_01_sfnt_off000096b1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x96B1 10128 bytes
SHA-256: 4b71f287c4efb2a6524ee11346de1249927ef7b7c0b1d2ddcace99a59cf1baac