MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, many pointing to a redirector service known for malicious activity. The document body, though heavily obfuscated, contains a URL that leads to this redirector, suggesting a phishing or scam attempt. The ML classifier also strongly indicated maliciousness.
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=angular+2+tutorial+pdf+ebook In PDF document text
- http://files.heqiart.com/uploads/1/3/1/3/131378791/7412870.pdfIn PDF document text
- http://fuzip.thelocalsignman.com/uploads/1/3/1/6/131606027/newopakevotifok.pdfIn PDF document text
- http://rokuviwu.deeplydepressedtraveler.com/uploads/1/3/0/7/130740490/18501.pdfIn PDF document text
- http://files.leadtcml.com/uploads/1/3/2/7/132712034/c4f7d492f1.pdfIn PDF document text
- http://zufapate.expo4seniors.com/uploads/1/3/2/6/132695306/3902881.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/1/0429/8794/6133/files/kapobusumijasibikujafino.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/wizivudid.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3888/4519/files/upkar_reasoning_book_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7702/6463/files/jejivisafuseronupadif.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/9432/4888/files/sodasosus.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0763/1783/files/scaling_networks_companion_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/2629/8533/files/1763921810.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9086/9410/files/56804940168.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2875/0241/files/13860030939.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/5365/9798/files/46233779714.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2986/3320/files/ragagurujoze.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0250/2048/files/99958944532.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8289/9871/files/malwarebytes_activation_code.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000096b0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x96B0 | 5356 bytes |
SHA-256: 767ba7a9a1913e7765465caf121da38ad2f7e6fe5aa39ba22cfe7f131ec1c204 |
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font_01_sfnt_off0000a8fb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA8FB | 10620 bytes |
SHA-256: 12c34cc8463a68451ee081ddf6889425ad3cde6c8290f3a69eb39c4162d35502 |
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font_02_sfnt_off0000cd97.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD97 | 16480 bytes |
SHA-256: cfb81015ccc48e34430eefe4798d2ceb6eb399c3071117bcf8196ad78feeec32 |
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