Malicious PDF — malware analysis report

Static analysis result for SHA-256 7dfb999e54365a5c…

MALICIOUS

PDF

49.0 KB Created: 2020-08-05 17:06:33 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: bc3d5ee9ec9ca2f0d2c440cee7eae7bc SHA-1: ccc5df6557b30838ff3a952454f8931911d83a69 SHA-256: 7dfb999e54365a5c26087f481df8bdc2abc829f2eb5d3430b8ec38b3f6a55978
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a large number of links to external PDF files, many of which are hosted on Shopify and appear to be part of an SEO link farm. The primary redirector URL, https://ttraff.com/pify?keyword=bhagavad+gita+online+free+download+pdf, is flagged as malicious and suggests a phishing or malware distribution lure. The document body, though heavily obfuscated, contains similar URLs and text related to downloading PDFs, reinforcing the lure. No scripts were extracted, but the extensive use of redirectors and link farms indicates a malicious intent to drive traffic to potentially harmful sites.

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=bhagavad+gita+online+free+download+pdf In PDF document text
    • http://files.dutchhillfarm.shop/uploads/1/3/1/4/131407102/5370617.pdfIn PDF document text
    • http://files.newseedspriory.org/uploads/1/3/0/8/130814459/3964854.pdfIn PDF document text
    • http://files.potofgreenflorist.com/uploads/1/3/2/8/132814166/xesemafafedibu.pdfIn PDF document text
    • http://files.keyuped.com/uploads/1/3/1/4/131437834/gegujibupul-xoxutoreja.pdfIn PDF document text
    • http://files.undergroundcomedyfest.com/uploads/1/3/0/8/130814234/582a1a69.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/1/0433/0687/7080/files/pusowa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/3217/2965/files/42296246059.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4227/4454/files/nivadenanexe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6309/1112/files/28423990977.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9384/3358/files/tamotafavovariwawopeb.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0876/1751/files/xarurovunukadedidufebase.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0733/6857/files/24815311987.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5350/4917/files/64084190530.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1755/2543/files/82914422573.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8548/6485/files/57773131342.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4790/2629/files/17099731592.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/tijubijevuvikupox.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/75904593322.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_off0000822e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x822E 5328 bytes
SHA-256: 53817d759e88baab76129fc6c79c4e6a210dfefcbe4cd2d1afc216cdc5fdae6c
font_01_sfnt_off00009467.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9467 10088 bytes
SHA-256: bff99f27da63aa2b03983f09babfddc147de4cae9bef82cc82d199bb2e0f2543