MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many of which point to a redirector service known for malicious activity. The document body, though heavily obfuscated, contains text related to 'accounting software tally 9' and includes the malicious redirector URL, suggesting a lure for phishing or malware distribution. 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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
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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=accounting+software+tally+9 In PDF document text
- http://linoza.womensclinicatlantaabortion.com/uploads/1/3/1/4/131408899/betewetu.pdfIn PDF document text
- http://mofuv.havenorphotography.com/uploads/1/3/1/4/131407797/2357070.pdfIn PDF document text
- http://dobizuxuv.binghamtonrooted.org/uploads/1/3/0/7/130738730/349b510cd05978.pdfIn PDF document text
- http://files.dianesabo.com/uploads/1/3/1/3/131378835/sigap_boluzoga_vawuveru.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/1/0430/2084/5210/files/203072192.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5168/7837/files/pajefib.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5770/8193/files/aprendizajes_clave_preescolar_educacion_fisica.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7967/9646/files/vufopuropalazilesonafib.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/2076/0741/files/pokemon_blue_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0538/6647/files/10th_science_book_english_medium_in_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0032/3478/files/11685373257.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2677/6227/files/present_tense_intermediate_exercises.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0813/1233/files/23513741144.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2280/3363/files/66536066567.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0451/5728/6042/files/forigopojuxijoputar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4210/2679/files/19582934501.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6795/7660/files/88122382664.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_off000060e1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x60E1 | 5268 bytes |
SHA-256: fc0c42eecc57bb2a5cb2ea210e53da182adc4e7b16bb5e8c809768316b21a81f |
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font_01_sfnt_off000072ed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72ED | 9888 bytes |
SHA-256: aec56d6f6bdf24ee253dc46e9e9ac0781f4f1a8680efea9028e1ee8766b81194 |
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font_02_sfnt_off000094d1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x94D1 | 4324 bytes |
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
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