MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a critical heuristic firing for a malicious redirector link, pointing to `https://ttraff.cc/pify?keyword=b.+ed+entrance+form+2018+du`. Additionally, it exhibits characteristics of a PDF link farm, embedding numerous external links, one of which is `http://files.jennyshepherdphotography.com/uploads/1/3/0/8/130814682/e6f3c54.pdf`. The document body, though partially corrupted, includes text suggesting a form or document title, and a low-severity heuristic indicates an urgency lure. These elements combined suggest a phishing or malware distribution attempt.
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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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=b.+ed+entrance+form+2018+du In PDF document text
- http://files.jennyshepherdphotography.com/uploads/1/3/0/8/130814682/e6f3c54.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/1/0438/2952/6690/files/action_verbs_vocabulary_matching_worksheet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6621/3031/files/burger_king_coupon_august_2020.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0196/0854/files/75256835898.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6332/0471/files/1247067797.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1133/2507/files/worogimemu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5802/1027/files/definition_and_importance_of_community_participation.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2371/9845/files/xusupolevuliminogolikeba.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9502/4033/files/kesotud.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5652/8541/files/amenaza_de_aborto_tratamiento.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8801/1673/files/muxuvamojux.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_off000066fb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x66FB | 5556 bytes |
SHA-256: 371288f461d7329e6df1c7a12e50e8b360f9edab31c81ba9f0a18f86196318c7 |
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font_01_sfnt_off000079c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x79C6 | 3720 bytes |
SHA-256: 6539b129c5cd894636dc8f40f53a156c00c8f46378ab4f137c96d687a1cff6ed |
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font_02_sfnt_off00008529.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8529 | 10376 bytes |
SHA-256: 92ede79f3bdce7c4ef91c84f329fa86be425749ea40d049c621af49ccc6bad88 |
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font_03_sfnt_off0000a8d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA8D7 | 5068 bytes |
SHA-256: 4408d4d4459af501a08aa87400c52f8c9e4234a49d9340e86ba80f4455ceb9e5 |
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