Malicious PDF — malware analysis report

Static analysis result for SHA-256 980f8738c305a336…

MALICIOUS

PDF

49.1 KB Created: 2020-08-14 00:46:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 91bdf58c5fc5d4d8fb528f6613803463 SHA-1: f07d9be3601b2f3dd2f9a5b50ca0857c813b7e59 SHA-256: 980f8738c305a336642141671bc8eb405be68f6d2763395a3912b2b3c94d45f1
194 Risk Score

Malware Insights

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

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 text related to 'linen or egyptian cotton sheets' and the malicious URL, suggesting a lure to a phishing or scam page. The presence of a malicious redirector link indicates the primary intent is to lead the user to a harmful external resource.

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=linen+or+egyptian+cotton+sheets In PDF document text
    • http://files.rollsroyceweddingcarsuk.com/uploads/1/3/0/7/130739202/fubela-guvezeweru-zipuronerawu-jedewoso.pdfIn PDF document text
    • http://letexiju.lbidreammakers.com/uploads/1/3/2/8/132814930/tasosupam-nedoz.pdfIn PDF document text
    • http://files.peoriasupertow.com/uploads/1/3/0/7/130740212/dupiroxaki.pdfIn PDF document text
    • http://files.mihlsa.com/uploads/1/3/2/6/132681611/2ccf9bfe820f1.pdfIn PDF document text
    • http://kodido.thesweatyequestrian.com/uploads/1/3/2/6/132681504/2027144.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/1/0431/3461/5708/files/55058812165.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1460/9305/files/gosevo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5580/7654/files/firekijugaxijuguxoge.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1592/8997/files/16790165817.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8037/5704/files/sybex_cisa_study_guide_4th_edition_free_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7634/6266/files/86349590435.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/sebifoxof.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/0660/5987/files/18507830800.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6519/6197/files/alligation_and_mixture_short_tricks.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/5685/5190/files/bullying_psicologico.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/4702/4805/files/garden_mania_2.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8172/8151/files/23274278336.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6728/4387/files/craftsman_dlt_3000_owners_manual.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_off00008358.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8358 5208 bytes
SHA-256: fd78c647c3db101a469499e94511e91639869bff5add00a461571e1c83650e0e
font_01_sfnt_off00009512.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9512 10120 bytes
SHA-256: 11a6aa6490f477f665381185133309e447d13a2862c6c787dc4aeaebd72c7e2b