MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a mass external link farm, with one URL identified as a malicious redirector. The document body, though heavily obfuscated, contains a reference to the malicious URL, suggesting an attempt to lure the user to a potentially harmful site. The presence of numerous links, many pointing to Shopify domains, indicates a strategy to obscure the final malicious destination.
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.ru/pify?keyword=algebra+questions+for+ssc+chsl+pdf+download In PDF document text
- http://watezuk.poeticp.com/uploads/1/3/2/6/132682076/5986037.pdfIn PDF document text
- http://files.clearlakedebate.org/uploads/1/3/1/3/131380171/1038f86.pdfIn PDF document text
- http://files.appalachian-auditorium.org/uploads/1/3/1/4/131410812/8850719.pdfIn PDF document text
- http://vafixi.crossfitantrim.com/uploads/1/3/0/8/130874359/3ca53ec0c38ad.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fedorahosted.org/lohitIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/71340125447.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4504/4892/files/pusesotobip.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5981/4306/files/zivipazani.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5949/4555/files/27011464904.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4393/6673/files/vowasuxujeviwa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8981/1861/files/2939379937.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6660/6247/files/mivipagizeb.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/5866669006.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1924/7514/files/96311586782.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3536/1442/files/47654246424.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5915/7921/files/88345898238.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3115/8175/files/college_physics_a_strategic_approach_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2885/7503/files/63495613584.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://www.geocities.com/mitra_anirban/hobbies.htmGNUIn PDF document text
- http://www.gnu.org/copyleft/gpl.htmRegularIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000701e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x701E | 5764 bytes |
SHA-256: 423420ca3453c757f22753a89cea0d3ca970272237a4acdb354c6d020b58bb79 |
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font_01_sfnt_off000083b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x83B6 | 3720 bytes |
SHA-256: 6539b129c5cd894636dc8f40f53a156c00c8f46378ab4f137c96d687a1cff6ed |
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font_02_sfnt_off00008f19.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8F19 | 10756 bytes |
SHA-256: c9ea2c4418b1c92f93486ed766e5d990556d6729e230d78f73ce7e422121d241 |
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font_03_sfnt_off0000b3e7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB3E7 | 9492 bytes |
SHA-256: bdb01fe16e2c5855fd936048a62b79497aa480060599dc981339781166d23fd5 |
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