MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a significant number of embedded links, with one identified as a malicious redirector. The heuristic firings indicate that this is likely a link farm designed to direct users to malicious content or manipulate search engine results. No scripts were extracted, and the document body is heavily obfuscated, making it difficult to determine a more specific attack pattern beyond link redirection.
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.club/pify?keyword=activity+coefficient+table In PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://static.usrfiles.com/ugd/eda9ba_b5e7f6498d4c487c84d391ad72eb154b.pdfIn PDF document text
- https://static.usrfiles.com/ugd/38bf1f_52d941162f8d4965bec45a5d0457ee58.pdfIn PDF document text
- https://static.usrfiles.com/ugd/957c7b_cbec6893fc274fedb5af36b627b7002e.pdfIn PDF document text
- https://static.usrfiles.com/ugd/39cb9d_c150995c8bc84bd2a8bf23af61ca84bf.pdfIn PDF document text
- https://static.usrfiles.com/ugd/7ef0dc_4e36c02599304d1c8d70f6d968f58c01.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8124/4573/files/chader_hashi_badh_bhengeche_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8094/1721/files/12998692016.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6513/0660/files/60239597573.pdfIn PDF document text
- https://static.usrfiles.com/ugd/158fb9_d11f4f5b9e9a4479b04a0d388c9cb865.pdfIn PDF document text
- https://static.usrfiles.com/ugd/cdb50c_37be58d711af44959515acd6325951db.pdfIn PDF document text
- https://static.usrfiles.com/ugd/041b56_db5a512b7d134fba8b002709253591cc.pdfIn PDF document text
- https://static.usrfiles.com/ugd/3225da_3f797cf081d744819ebf5fdda062c1e0.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
- https://savannah.gnu.org/projects/freefont/In PDF document text
- http://www.gnu.org/licenses/In PDF document text
- http://www.gnu.org/copyleft/gpl.htmlIn 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_off000083e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x83E4 | 4680 bytes |
SHA-256: 94bbf7516d0f37fa02e6f63bdb07c6bd40e935fec41e33ded7c06d4ad5f33230 |
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font_01_sfnt_off000093a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x93A2 | 6300 bytes |
SHA-256: fba9f6d5d467b7d6bbccdc8ac95b73ea8a6825a62cfb156e50cd914bb525142d |
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font_02_sfnt_off0000a2fb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA2FB | 15808 bytes |
SHA-256: 9e8ffca5ec1e0b24808cb33cba0e963ba332390acca87f5b388455523a2440e8 |
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font_03_sfnt_off0000d4f4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4F4 | 16324 bytes |
SHA-256: c0544f8953c1f4d9bc77075aff176a99aa7df9ad8f3fb84765c8afe19cbb829d |
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font_04_sfnt_off0000eaa1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAA1 | 4324 bytes |
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
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