MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a large number of external links, many of which point to suspicious domains and are likely part of a link farm designed to manipulate search engine results. One critical heuristic identified a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains a URL that appears to be the primary lure, directing users to a page related to 'census in research methodology pdf'. This suggests a social engineering tactic to trick users into clicking malicious links.
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=census+in+research+methodology+pdf In PDF document text
- http://deras.stephanierachelschwartz.com/uploads/1/3/1/4/131438563/71ad28d21.pdfIn PDF document text
- http://nimar.martindamon.com/uploads/1/3/0/7/130776738/2892337.pdfIn PDF document text
- http://files.wesmillermusiclessons.com/uploads/1/3/1/3/131383424/lofogumuwuzomazi.pdfIn PDF document text
- http://xudaj.americanfamilyfeed.com/uploads/1/3/1/6/131606407/xusimoz-folewef-nerodokazurab-lefovuxabejo.pdfIn PDF document text
- http://files.friendsofgoodwinforest.org/uploads/1/3/0/8/130874652/dafuse.pdfIn 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://cdn.shopify.com/s/files/1/0431/6548/3168/files/guitar_chords_chart_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3748/9309/files/difumozoxalijigiwuzoze.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8225/1421/files/rivexivofitotetobowumi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0124/0985/files/toruviveronimaloxike.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3032/3101/files/how_to_get_advantage_5e.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7729/6543/files/dawojuvejifalogemafe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6490/1270/files/52411264602.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/6326/0822/files/kurofufe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0469/0581/files/47658923595.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6230/5702/files/32886318086.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
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000bd26.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBD26 | 5576 bytes |
SHA-256: e43ea014414707ed82e2ec2d7b7a97f9a5fd6dd8021291a218d8e06de1149f3f |
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font_01_sfnt_off0000cff4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCFF4 | 10540 bytes |
SHA-256: 5d12bef356bb2d15379b64ee9574b6575810e5c193953eca9bd1a23f752ed40f |
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font_02_sfnt_off0000f3b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3B2 | 4324 bytes |
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
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