MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous links, with one specifically identified as a malicious redirector. The document body, though partially corrupted, contains text suggesting a lure for a 'free download' which aligns with the observed malicious redirector. The ML classifier also strongly indicated maliciousness. The primary attack vector appears to be social engineering via a deceptive link within the PDF.
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.cc/pify?keyword=integration+formula+pdf+free+download In PDF document text
- http://files.midpacificowlrobotics.com/uploads/1/3/1/4/131406453/2985735.pdfIn PDF document text
- http://files.christianbuildingmaterials.com/uploads/1/3/2/7/132741089/wopurexime.pdfIn PDF document text
- http://wixuk.hadarsobol.com/uploads/1/3/0/8/130814017/bupiketa.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/1/0432/0234/7171/files/nipofafi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7543/6698/files/housing_contract_purdue.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/kopamidije.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/8033/3989/files/83602118175.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3964/6108/files/angular_resource_example.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4579/6512/files/tifetujofakipapozopil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3622/1341/files/kexewapisopizijipitekej.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6351/7092/files/bimobemaxubumebodolupo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3781/0075/files/besijupubesapaligese.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2865/9869/files/george_foreman_grill_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7974/5192/files/42171670752.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8691/3439/files/nowivugarulegajuge.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000619e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x619E | 5212 bytes |
SHA-256: d34ba09c8924751cd5082a67b13b5eb8a19bbe922c564c334da93eda679e79af |
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font_01_sfnt_off00007356.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7356 | 3720 bytes |
SHA-256: 40ef96da86b6123d577d475be460de15c41b9ca7393a8e650be4e9942aa3c64b |
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font_02_sfnt_off00007eb8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7EB8 | 14852 bytes |
SHA-256: b847d3133e3f8a227364bde17fb5db48f09eba8fa10fd8768f216223729ecbe1 |
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font_03_sfnt_off0000acf1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xACF1 | 16208 bytes |
SHA-256: b9ce2a69d7062e6ce176d2423fef49bcd955ad056a009dbf8258de8b57a023eb |
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font_04_sfnt_off0000c269.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC269 | 8932 bytes |
SHA-256: 0d6534ee42a9b4c1a7da461405439b66d22f5b2fe92aa2a0ebe4968e6dd95abd |
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