MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple heuristics indicating malicious redirector links and a link farm, suggesting a phishing or scam attempt. The document body, though heavily obfuscated, contains a URL that points to a redirector service. This redirector likely leads to a malicious payload or phishing page, masquerading as an answer key download.
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.com/pify?keyword=parishkar+ldc+answer+key+pdf In PDF document text
- http://fidoge.peakdistributingia.com/uploads/1/3/0/7/130776208/tululofes_pavafeja_tobifavozum_juxejidam.pdfIn PDF document text
- http://files.manchestersessionalgps.com/uploads/1/3/1/4/131482881/229813f17fdaac5.pdfIn PDF document text
- http://files.kirbyonpolitics.com/uploads/1/3/2/8/132815002/4504d1.pdfIn PDF document text
- http://fedorahosted.org/lohitIn 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/1/0434/5331/7272/files/curriculum_development_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1564/3042/files/multiplication_tables_1_12_printable_worksheets.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1575/6182/files/99449522568.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1912/4382/files/16239129205.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6190/3517/files/vonebekivotoliwidafemazek.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5920/7579/files/19346658849.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9861/2636/files/79238684615.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6770/3457/files/binding_of_isaac_match_stick.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9682/6273/files/revumoxeso.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gevuruliwineda.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xogasetixudaxaw.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 |
|---|---|---|---|
stream_006_off0000a91c.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0xA91C | 11880 bytes |
SHA-256: b1b4e38b9e3e94623ce790cf7cf3456ff6af0eeef595b683475faf6d4f068401 |
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font_00_sfnt_off000061ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x61AE | 5504 bytes |
SHA-256: 1820abcd5e1938e0690e5571fdc1eadda184783afe79fd9ee9de45ae39b7d0b2 |
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font_01_sfnt_off00007475.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7475 | 3720 bytes |
SHA-256: b91f3c26f37c28538ed09035cbea6f9221827f1e30b50c452f08cc820bcc167b |
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font_02_sfnt_off00007fd8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7FD8 | 13328 bytes |
SHA-256: 6e2b61643caa485ff724909f2a1409315cc5d668ec48ac7125eed246875782fe |
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