MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links to a redirector URL, identified as malicious and used in an SEO link farm tactic. The document body text, though heavily obfuscated, suggests a lure related to 'Ged prep test pdf'. The ML classifier strongly indicates maliciousness, and the overall structure points to a phishing or scam attempt leveraging SEO manipulation.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF 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.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF 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.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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.
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Embedded URL info EMBEDDED_URLOne 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/wb?keyword=ged%20prep%20test%20pdf In PDF document text
- http://files.sherieunfiltered.com/uploads/1/3/2/8/132815961/a59b4b501cc8.pdfIn PDF document text
- http://files.arlordpac.ca/uploads/1/3/1/3/131383426/buzip_fitewewasalawes_dufufekelul_sekigibulumazi.pdfIn PDF document text
- http://files.zachpiercemusic.com/uploads/1/3/1/0/131070651/547ba.pdfIn PDF document text
- http://files.livingatthedistillery.com/uploads/1/3/0/7/130776591/dilunokewanubol-duvafopap-pijikofusejoji.pdfIn PDF document text
- http://files.northmetroweekday.com/uploads/1/3/1/8/131856954/bububawujitigudevup.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/1/0428/9835/8432/files/84113106953.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/medade.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0360/8216/files/20344658637.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/65294746239.pdfIn PDF document text
- https://sojukitibo.files.wordpress.com/2020/06/56035642429.pdfIn PDF document text
- https://wabuvodulix.files.wordpress.com/2020/07/61363676175.pdfIn PDF document text
- https://pevoruzon.files.wordpress.com/2020/06/buwusugexasisa.pdfIn PDF document text
- https://kemubebi.files.wordpress.com/2020/07/mapuzagageduwalis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3393/5515/files/zitepevajuxumedirovu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/71061356311.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1983/7346/files/zomisafatakomuzugadapezed.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/6244/2661/files/45506740684.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5827/5238/files/84660393038.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/sozolomunegodufedawugiwe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6972/5080/files/wogubupudinafef.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0864/7580/files/linuj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0041/4883/files/vemasu.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.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00009954.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9954 | 4348 bytes |
SHA-256: c43708be612e947e38cf4e39b838b39984ae8956064329183b56a9a029695125 |
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font_01_sfnt_off0000a82f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA82F | 10660 bytes |
SHA-256: 370f6702ad8e9400397ec4dd41f7885b8552d66e22930dff3dcbfd5d4f003b70 |
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