Malicious PDF — malware analysis report

Static analysis result for SHA-256 c62ff02adbe9dfa0…

MALICIOUS

PDF

43.0 KB Created: 2020-09-18 01:48:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: b2b7ae98963a58d8029755e8720d03c9 SHA-1: fb8774c335ae8081f4f86e15cb1cb46d26b3cb04 SHA-256: c62ff02adbe9dfa0df8ba8a7ec504c5a4554975a53ecd22e794ebc990e04732d
194 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, which is the primary indicator of malicious intent. The document body, though heavily obfuscated, contains the same URL. The presence of a large number of external PDF links, many hosted on Shopify, suggests a link farm or content stuffing technique to obscure the malicious redirector. No scripts were extracted from this sample.

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.club/wix?keyword=to+follow+a+line+by+merlie+alunan In PDF document text
    • http://vekaz.drforrestreaddydc.com/uploads/1/3/1/4/131453182/e781b12.pdfIn PDF document text
    • http://nupagu.reviewgraphs.com/uploads/1/3/1/6/131636825/jizamitolozit.pdfIn PDF document text
    • http://files.irondan.net/uploads/1/3/1/0/131070171/6687106.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/1/0432/3121/5780/files/39071267165.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/6873/3078/files/online_jpg_to_word_converter_i_love.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7825/4745/files/autotable_jspdf_multiple_tables.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4532/9832/files/61868598806.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/9743/8875/files/89638717678.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5696/3479/files/5e_zealot_barbarian_guide.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4762/3592/files/compliance_officer_job_interview_questions_and_answers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5637/2631/files/ennavale_ennai_maranthathu_yeno_mp3.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1806/6842/files/video_maker_apk_android_2._3.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/4020/9056/files/ripelov.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/2623/4009/files/1686165485.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/1186/4738/files/academic_ielts_reading_practice_test.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/9463/7734/files/beauty_plus_camera_karo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9437/6605/files/23498367547.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 8

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_off00006b0d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6B0D 5020 bytes
SHA-256: 58295a1cad7f6e614805170d72408ac5b67ccc0772cdec014e0671760823372b
font_01_sfnt_off00007c22.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7C22 10212 bytes
SHA-256: 14261a7fd52306973351d44eb55c1a4e24c2787150bc5222474cda36ced82cfa

Open this report in the interactive analyzer, or submit your own file for analysis.