Malicious PDF — malware analysis report

Static analysis result for SHA-256 34e14ca144541af8…

MALICIOUS

PDF

36.2 KB Created: 2020-08-06 06:09:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 93295d88c5cdb397291638f16e6fe652 SHA-1: 80a330776875d76e0d29220c00a9af5cdff35ae2 SHA-256: 34e14ca144541af8c7be1c0db17fe9aada3961748b4671fe86df58a1c4ea529e
234 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.ru/pify?keyword=materials+characterization+techniques+zhang+pdf', which is flagged as a malicious redirector. This suggests the document is designed to trick users into clicking the link, likely leading to further malicious content or malware download.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
    PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
  • 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.ru/pify?keyword=materials+characterization+techniques+zhang+pdf In PDF document text
    • http://kilixolaw.movingintobalance.co.uk/uploads/1/3/1/0/131070161/gajedujuragijiv.pdfIn PDF document text
    • http://files.sayit.shop/uploads/1/3/1/4/131437474/5ccdcbd96.pdfIn PDF document text
    • http://files.mindbodyconnectionmassagepilates.com/uploads/1/3/1/4/131407263/kulaluvipim-budob-tixup-pugepo.pdfIn PDF document text
    • http://files.brushlove.ca/uploads/1/3/0/7/130775607/9aebbc.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/1/0440/1774/6070/files/5996052510.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4929/4756/files/56292242766.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9478/5694/files/6771919396.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1829/6232/files/86336692432.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7759/1449/files/pamupedefujejixewaki.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8670/8893/files/powiri.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9161/6153/files/dukinerom.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2341/6987/files/nitosiw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/9437/5576/files/warowurubewi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6043/6887/files/migeju.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0447/1137/9097/files/cedaw_myanmar.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9861/0589/files/popunegemajomamifu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7264/3491/files/tatifitabikimu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/2970/7422/files/veven.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_off00004faf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4FAF 5600 bytes
SHA-256: 6d6ad1fa05d0f62aad455208a200d4b2fa9922262c8d39694b5e356e8a9cee8d
font_01_sfnt_off000062c4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x62C4 9580 bytes
SHA-256: 995579148da16615f0bc0cf42f8fe759e6aa17fe1ca0dc313131e81c6dd28a2e