MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external resources, many of which point to a redirector service disguised as a manual download. The ML classifier strongly indicated maliciousness, and the presence of a malicious redirector URL confirms the intent to lead users to potentially harmful content. The document body itself is heavily obfuscated but contains the primary redirector 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.club/wix?keyword=inspiron+660+manual In PDF document text
- http://files.yisonline.com/uploads/1/3/1/4/131482864/vamobijano_vibaf_dalenevodimi.pdfIn PDF document text
- http://files.dfmmc.com/uploads/1/3/0/8/130814337/dasasil_kepava_tukepakowasem_pisamokig.pdfIn PDF document text
- http://xiziva.mylifeinorder.com/uploads/1/3/2/8/132814930/57a062157.pdfIn PDF document text
- http://musoset.ykiminframaterials.net/uploads/1/3/1/6/131607163/4687440.pdfIn PDF document text
- http://files.toyouinspireflowers.com/uploads/1/3/0/7/130776521/5793582.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nimapudusakodinufuzexive.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/68876684382.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/4372/3163/files/34864736827.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6331/9445/files/busemujosetus.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8166/2628/files/valobuvulepisiped.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1126/0067/files/79446634059.pdfIn PDF document text
- https://0e3df0e7-2a9f-46fe-a84d-ff655ce40748.filesusr.com/ugd/f46427_289af68011124befaa010ced6de38ccc.pdf?index=trueIn PDF document text
- https://9dba4ec2-ad51-4487-bf4c-752f9e2a8955.filesusr.com/ugd/fa32a6_1f6e9105a7e24195ae715b3cd8635649.pdf?index=trueIn PDF document text
- https://23bc1084-941f-422a-b525-622c3232063e.filesusr.com/ugd/735189_a42f86b1b215454980551696792bb813.pdf?index=trueIn PDF document text
- https://df9ff5da-caa1-42b8-ac01-2d0011c87bae.filesusr.com/ugd/268ab1_aafbab31b0b94613a8aedd40fb0765c2.pdf?index=trueIn PDF document text
- https://d2a6f346-9a73-4f55-8223-2028a4242d94.filesusr.com/ugd/ebc5f9_23a2699be1b341d9a891f17695563e18.pdf?index=trueIn 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000acdd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xACDD | 19940 bytes |
SHA-256: 2929e709c7eb6b2222e961fc1f68cb1b277d9108bb03cf45f4e7208b9558153d |
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font_01_sfnt_off0000ebcf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBCF | 4880 bytes |
SHA-256: 1bb40ae0b15853bc1e442c86a4115c143bc1de44a2136af7a27e0e4b1b8e232e |
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font_02_sfnt_off0000fc2b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC2B | 17524 bytes |
SHA-256: 6e8bf4a01dbe174783ef9dde48a081ee2804d7a34ce3709a78953d883993e5b4 |
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font_03_sfnt_off0001321f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1321F | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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