MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, many pointing to a redirector service (ttraff.com) which is flagged as malicious. The document body, though malformed, includes the same redirector URL, suggesting an attempt to lure users to a malicious site under the guise of downloading a student autobiography. The presence of malformed exploit streams and a high ML classifier score further indicate malicious intent.
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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Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTHA PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
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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=sample+student+autobiography+pdf In PDF document text
- http://files.abbypotter.com/uploads/1/3/1/6/131636941/barepopejasibexebu.pdfIn PDF document text
- http://files.lemonbalmchronicles.com/uploads/1/3/0/7/130775373/rubexibigoxames-xejatom.pdfIn PDF document text
- http://narowod.dianacarterwriter.com/uploads/1/3/1/3/131398020/119927a34e.pdfIn PDF document text
- http://files.pwknives.com/uploads/1/3/0/7/130738805/kemoxut-repum.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/1/0436/1977/8723/files/11527879307.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4277/4935/files/10_class_maths_book_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3826/7809/files/nurifujipesexame.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1687/1326/files/accounting_ledger_format.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4565/0586/files/dukara.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2058/2050/files/31341523366.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0446/4757/9811/files/makalah_cacar_air.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2412/9952/files/3557587286.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8413/6086/files/pimejobekesabedenexuf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5489/0149/files/lixobi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4470/9276/files/waxexadasumof.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2151/6448/files/algebra_quiz_grade_9.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
- https://savannah.gnu.org/projects/freefont/In PDF document text
- http://www.gnu.org/licenses/In PDF document text
- http://www.gnu.org/copyleft/gpl.htmlIn 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_off0000765b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x765B | 6568 bytes |
SHA-256: 18f4960a52d64bc83d6c304eee4b25c9ca37eec54c0f4efd5701b5568bea1fd1 |
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font_01_sfnt_off000086aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x86AA | 5800 bytes |
SHA-256: a520fd323901489c7be01149d8d35cfa427c34a84ff2f10166d4592ae78a338c |
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font_02_sfnt_off00009a36.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9A36 | 9880 bytes |
SHA-256: b5cd63be604aada8c5bd794fe9c3e5ae28776a9aad8a789709959c46a58cca43 |
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