MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple embedded links, with a critical heuristic firing indicating a redirector to malicious infrastructure. The document body, though heavily obfuscated, contains a URL pointing to a redirector, suggesting a phishing or scam attempt. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=astm+a530+a530m+pdf In PDF document text
- http://fawupif.thehigginsreport.com/uploads/1/3/1/1/131163930/2197638.pdfIn PDF document text
- http://files.uchabitat.org/uploads/1/3/2/6/132681501/402aa54811.pdfIn PDF document text
- http://files.countrygiftandthrift.com/uploads/1/3/1/3/131379567/pubamovob_poxavepeliwu_furak_ketekazu.pdfIn PDF document text
- http://files.aledobandboosters.org/uploads/1/3/0/8/130813796/8186492.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/1/0431/2514/5760/files/2nd_grade_common_core_math_worksheets.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/46946939033.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7192/1571/files/kujepitesa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5359/6310/files/38626545063.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3806/5308/files/wedogomodekaf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8876/4316/files/93220838224.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7727/1713/files/5852207947.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4232/4125/files/rojofodakenajoj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2890/5127/files/xodafatev.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0443/2547/0364/files/variable_annuities.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4253/7629/files/46379183351.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6845/6086/files/nalid.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7368/3112/files/bagels_and_beans_menu.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006c86.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C86 | 3384 bytes |
SHA-256: 52c53b59c437b2e76d6a1aac599fbb8696843af074e0d081f374572619bf5a60 |
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font_01_sfnt_off0000789f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x789F | 5476 bytes |
SHA-256: f16ac03fa51db57116cd75e4c7288e0c9e27305198e377f6f95d4043d604db7c |
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font_02_sfnt_off00008b27.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8B27 | 12600 bytes |
SHA-256: 72ead7a7fcd9eb6a1ebc59aac462f5ae7b75e5e8d9105764feed532950a2261e |
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