MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.ru/pify?keyword=bhaskara+1+biography+pdf'. The document body, though heavily obfuscated, also contains this URL, suggesting it's the primary lure. The PDF also exhibits characteristics of a link farm, with numerous embedded URLs, many pointing to Shopify, likely to improve search engine ranking for malicious content.
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.ru/pify?keyword=bhaskara+1+biography+pdf In PDF document text
- http://funemofib.dankoairguns.com/uploads/1/3/0/9/130968921/wanoja.pdfIn PDF document text
- http://files.hmongunited.org/uploads/1/3/1/3/131380005/ecf026c75.pdfIn PDF document text
- http://files.anthamation.com/uploads/1/3/0/7/130776200/6260965.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/1/0433/9518/6851/files/92922655535.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5784/8224/files/941_angel_number.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3393/5515/files/lejem.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8252/2528/files/return_to_blockland.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7257/7946/files/algebra_practice_test_with_answers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2501/4684/files/25489971958.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2754/5757/files/zagajuroviw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5207/2088/files/43095252815.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2733/2245/files/54639645821.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8620/9439/files/xomagusewej.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0691/7799/files/68292955221.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9266/3702/files/kiwevovo.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
🗂 Part of campaign:
anthamation.com
3 samples
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000a771.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA771 | 5680 bytes |
SHA-256: 51311e9bc5fef7bfbf21019695e1c4d02c9d485b555c838349da254eca80716b |
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font_01_sfnt_off0000baca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBACA | 6460 bytes |
SHA-256: 44971ce04f3d98717dcecb2c167d852ed4dec76d646454f0ebe8422407e21584 |
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font_02_sfnt_off0000ced4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCED4 | 14496 bytes |
SHA-256: fdc26627fbf011f9bef789f5ef1b0157fc1f26be78e22054f0e52629eb898b1c |
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font_03_sfnt_off0000fc3e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC3E | 16036 bytes |
SHA-256: 52db30b66cfb76898988bc7c6ed152514c301740808ab95bec9c68e49df23550 |
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