MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link farm designed to appear as a solutions manual download, but it redirects to a malicious URL. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK confirms the malicious nature of the redirector. The ML classifier also strongly indicated maliciousness. No scripts were extracted, but the document body and embedded links clearly indicate a phishing or redirection attempt.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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.cc/pify?keyword=chemistry+a+molecular+approach+3rd+edition+solutions+manual+pdf+download
- http://loranoxi.lyonsvolunteers.org/uploads/1/3/0/7/130776485/5332949.pdf
- http://files.muddyfaith.blog/uploads/1/3/1/4/131453429/xadufuv.pdf
- http://files.mcafeeartroom.com/uploads/1/3/0/8/130813650/bijokuz_jokozilura_fekagukafulu.pdf
- http://files.buckhillcoffee.com/uploads/1/3/0/9/130969183/movexetiwe.pdf
- http://files.kaskaskiacountryclub.com/uploads/1/3/1/4/131407388/3637775.pdf
- https://cdn.shopify.com/s/files/1/0433/0517/3147/files/male_shrug_emoji.pdf
- https://cdn.shopify.com/s/files/1/0433/1618/3205/files/nobesa.pdf
- https://cdn.shopify.com/s/files/1/0431/1695/3751/files/14259482827.pdf
- https://cdn.shopify.com/s/files/1/0427/5165/6102/files/tujebumatapevapijelaxemo.pdf
- https://cdn.shopify.com/s/files/1/0429/5265/5004/files/miller_furnace_manual.pdf
- https://cdn.shopify.com/s/files/1/0435/8832/1438/files/40098988628.pdf
- https://cdn.shopify.com/s/files/1/0433/0710/6462/files/sisudewa.pdf
- https://cdn.shopify.com/s/files/1/0428/8076/2023/files/96996022155.pdf
- https://cdn.shopify.com/s/files/1/0435/6934/8763/files/99943303417.pdf
- https://cdn.shopify.com/s/files/1/0431/1249/7303/files/alfa_laval_pump_handbook.pdf
- https://cdn.shopify.com/s/files/1/0429/9980/8149/files/59984238462.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000a107.bineacf69bcceb9f3444230b251131bbbd7b789ccd04886c02da7add80fd10be577 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA107 | 5660 bytes |
font_01_sfnt_off0000b42b.bin5f1068448003975e35f27dcadfe513d29a821468ef2229465c8400a0d382d138 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB42B | 11084 bytes |
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