MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, many of which point to a redirector service. The ML classifier strongly indicated maliciousness, and the presence of a malicious redirector URL confirms a likely attempt to lead the user to harmful content. The document body itself is heavily obfuscated and contains the primary malicious URL.
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/pify?keyword=stroke+in+sickle+cell+disease+pdf In PDF document text
- http://files.marisamdesign.com/uploads/1/3/1/1/131163613/bigimupisoxawiv_lozizabak_balokim.pdfIn PDF document text
- http://tonisog.annebeancreative.com/uploads/1/3/1/4/131407089/zezepobak.pdfIn PDF document text
- http://files.oddlyunjust.com/uploads/1/3/1/3/131380063/vegakegesure.pdfIn PDF document text
- http://files.lion-chemical-stores.co.uk/uploads/1/3/0/8/130814232/8001bb1.pdfIn PDF document text
- http://zuzesuda.emmettgallagher.com/uploads/1/3/1/6/131606094/8341087.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/1/0433/0012/6880/files/45047748536.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3623/7206/files/42758244643.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7963/8942/files/kupox.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1543/0553/files/93332365713.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7513/2824/files/56257551170.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1274/3591/files/sisolewejupusov.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6623/7852/files/4274587103.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8799/5814/files/12234292801.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4541/9165/files/act_no_network_data_received.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/60868594071.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4790/2629/files/asma_diagnostico_y_tratamiento.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/5497/1557/files/92136298639.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9513/0266/files/zexasu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6666/1800/files/26460719421.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8750/4294/files/building_construction_drawing_book.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_off0000781d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x781D | 5316 bytes |
SHA-256: 075397353f217704c55a54f442f53993018e305fa65c847dfe517098ab86da43 |
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font_01_sfnt_off00008a3b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8A3B | 14984 bytes |
SHA-256: 3bb34b1db8225df3a494acaed3a7b61e9a77bde47c2b3a9176900ad9209265e2 |
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