Malicious PDF — malware analysis report

Static analysis result for SHA-256 cc7c27dbc294fec9…

MALICIOUS

PDF

41.8 KB Created: 2020-08-19 12:40:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 56d289063ac7eb1fe32510cba5640794 SHA-1: e267dff71658f3ee29fe1fd06efca1a6865c6816 SHA-256: cc7c27dbc294fec9341cdc55c21bd1889ef459b2dd570264a42092a8ab5e946a
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains a malicious redirector link disguised with a product name, aiming to lure users to a link farm. The heuristic firings indicate the PDF is designed as a malicious redirector and a link farm, with numerous external PDF links. The primary malicious IOC is the redirector URL.

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=char+broil+performance+3+burner+tru+infrared In PDF document text
    • http://files.grandpagoose.com/uploads/1/3/1/1/131164431/caed8.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/1/0434/6681/7689/files/funny_answers_to_the_question_what_up.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/6694/7744/files/c_mail_attachment_stream.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1624/0807/files/wrong_fs_type_bad_option_bad_superblock.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/4953/9989/files/88517415642.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9018/2304/files/bosapunoxukezefarilis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5593/9733/files/61018539915.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5561/2057/files/dujufulizadukumulolafowew.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7689/5398/files/21150030878.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7590/3383/files/how_much_do_python_programmers_make.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9019/8180/files/61600736393.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1535/6067/files/radarscope_apk_3._7._3.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

Related samples 2

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000626e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x626E 5428 bytes
SHA-256: 5ca0bf250fee965ba08dfd66ccb7c5388e55a978b9ce0712a6e3d32d7602cd5c
font_01_sfnt_off000074ba.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x74BA 10564 bytes
SHA-256: dbc16026a7f8ca361f04a3b8aba771b796e68ff9b8df907ed766cca9a2036b4e

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