MALICIOUS
242
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
T1059.007 JavaScript
T1553.005 Security Software Tampering
The PDF contains numerous links to redirector infrastructure, specifically pointing to 'ttraff.ru' with a keyword suggesting a software download lure. The document body, though heavily obfuscated, contains the same URL and mentions 'Abbyy fine reader full version', indicating a phishing attempt for software. The heuristic 'SE_SECURITY_BYPASS' suggests the document may also instruct users to disable security software, further increasing the malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 7
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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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Security software disable instruction high SE_SECURITY_BYPASSDocument instructs the user to disable antivirus or security software — unusual for ordinary documents and high-risk in an unsolicited file
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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.ru/pify?keyword=abbyy+fine+reader+full+version In PDF document text
- http://files.cvubaseball.com/uploads/1/3/0/9/130969993/lebilazu-xusuvaneminu-nawerapatelo-lifilowe.pdfIn PDF document text
- http://files.thegrowingseedsoflove.org/uploads/1/3/1/4/131437513/8025698.pdfIn PDF document text
- http://rasul.christiancounsellingcentre.ca/uploads/1/3/2/6/132695351/jilopib-bikoxiz.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/1/0433/4836/1375/files/75342525780.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6479/5046/files/bepiduduzi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8808/5145/files/87944406906.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7404/4579/files/zokijojutilal.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8336/6551/files/96844400019.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2308/1373/files/millennium_development_goal_5.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0885/1101/files/agnathavasi_bgm_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6746/4093/files/direct_debit_brand_guidelines.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9323/7665/files/11992490775.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1482/3844/files/87299418194.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2661/1356/files/dibujarte_libros.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6823/5682/files/xovojufimivi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1280/0159/files/invertebrate_zoology_download.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_off0000658b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x658B | 4992 bytes |
SHA-256: ce06fd60a93a947c407ed62daab1bae28eff9c3026c5ee6faf00fe9d2c44251a |
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font_01_sfnt_off00007686.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7686 | 10964 bytes |
SHA-256: 34584d03bf2dac76bc82580c6286c7cf4c6048ad8d5162afc78c50131120fdab |
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font_02_sfnt_off00009bad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9BAD | 4324 bytes |
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
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