MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, many pointing to a redirector service (ttraff.ru) which is flagged as malicious. The document body, though heavily obfuscated, contains a reference to the same redirector URL. This suggests the primary purpose is to redirect users to malicious content, likely for phishing or malware distribution.
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.ru/pify?keyword=pdf+to+word+ocr+online In PDF document text
- http://files.ultraufitness.com/uploads/1/3/0/8/130874246/668f3c8b67.pdfIn PDF document text
- http://files.oregon2odessa.com/uploads/1/3/1/3/131383434/gojofovewizix.pdfIn PDF document text
- http://files.ecobathroomrepaircompany.com.au/uploads/1/3/2/6/132681308/e1e36c.pdfIn PDF document text
- http://files.the-hafizova-hive.com/uploads/1/3/2/6/132696465/dubalutul.pdfIn PDF document text
- http://konevano.leggsmanufacturing.com/uploads/1/3/1/3/131380213/moraje-gatunura.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/1/0436/2017/1936/files/mukisajifudijos.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0448/0575/0946/files/3_am_eminem.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/0654/7352/files/nixosawirafopeziba.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8716/7637/files/belle_s_library.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8421/8532/files/jijidoderagaperusunigozun.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2946/2177/files/f_b_service_sequence.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7056/3239/files/83724737019.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3417/1813/files/difference_between_mixtape_and_album.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4368/4503/files/zusupitewatin.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9333/5970/files/the_buffettology_workbook_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/5322/5883/files/57704123414.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn 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 |
|---|---|---|---|
stream_007_off0000e959.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0xE959 | 17324 bytes |
SHA-256: a716130250a00047e88fd1a77f07518faae33c479792561365b932507aea5aad |
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font_00_sfnt_off0000a6a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA6A7 | 3936 bytes |
SHA-256: 432c5fd002cb180903f04db55585585c91d074db3d94b915c481c2238ec9c40f |
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font_01_sfnt_off0000b4d4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB4D4 | 4720 bytes |
SHA-256: ceccb13333cff58ebc67537aa8e7482a0b944ef475324e12e39fc059602a0e50 |
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font_02_sfnt_off0000c501.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC501 | 10728 bytes |
SHA-256: 8a81111043e1e033532a5e92cdc06f3053028e3f218908e1ded0c6c8beeda72d |
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