MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains multiple embedded links, with a critical heuristic firing for a redirector to a known malicious domain. The ML classifier also strongly indicated maliciousness. The document body, though garbled, contains a URL that matches the redirector found in the heuristics, suggesting a lure to a malicious site. The presence of numerous links points to a link farm or SEO poisoning tactic.
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.com/pify?keyword=metformin+side+effects+erectile+dysfunction In PDF document text
- http://zigopoz.marleysmama.com/uploads/1/3/0/8/130814328/toromasivus-gobizagumo.pdfIn PDF document text
- http://files.wickedgoodhenna.com/uploads/1/3/1/3/131380915/6160218.pdfIn PDF document text
- http://files.italybooktours.com/uploads/1/3/2/6/132681901/3316513.pdfIn PDF document text
- http://files.traumasensitiveyogaaustralia.com/uploads/1/3/1/4/131437363/kixabujamab.pdfIn PDF document text
- http://tipid.kosherwimbledon.com/uploads/1/3/1/4/131408899/wekodutu.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/1/0436/3033/0019/files/anger_of_stick_4_mod_apk.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3246/8890/files/87301806167.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6167/4133/files/56577527226.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7900/7384/files/basorovaxavanof.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7133/2767/files/55148813341.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2065/6545/files/xadetitixodotuxisap.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/78046530146.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2163/0631/files/2019_calendar_2020_printable.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0610/7552/files/48205616088.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7494/5184/files/fasepumud.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3781/0075/files/jubujowapatezig.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2598/7734/files/27405517226.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8463/4530/files/60002992446.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4942/6839/files/zineru.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ba41.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBA41 | 5064 bytes |
SHA-256: 66b785e59187c645ea600819dc948e8beda697be77c3af316f38335db684fb92 |
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font_01_sfnt_off0000cb78.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB78 | 10708 bytes |
SHA-256: 740c431207f05dbe301583ef2323bd46af4182a7e9bd0ec5e8fcec55a7476e13 |
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font_02_sfnt_off0000f072.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF072 | 16060 bytes |
SHA-256: 2173a1880e9f774f759393e7d0d28dda91d04d8a3eae6bea41b822770b343b90 |
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