MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by a machine learning classifier and contains a link farm of numerous PDF files. One of the embedded links, 'https://ttraff.ru/pify?keyword=mahalaxmi+calendar+march+2019+marathi', points to a known malicious redirector. The document body contains garbled text and metadata suggesting it was generated by wkhtmltopdf, likely as a lure to host these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
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=mahalaxmi+calendar+march+2019+marathi In PDF document text
- http://files.videointeractionproject.org/uploads/1/3/1/1/131163620/5d5e35837bebac6.pdfIn PDF document text
- http://files.ronnyalte.net/uploads/1/3/0/8/130813466/vexagekox-jubevoxit.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
- http://fedorahosted.org/lohitIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/1131/5611/files/carruagem_de_fogo_partitura_piano.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2188/3816/files/mcaer_phd_cet_2018_answer_key.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/5431/6197/files/20332005409.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/3189/1861/files/the_odyssey_online.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1400/3610/files/17407728489.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/1670/5432/files/b._ed_cet_previous_year_question_papers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2353/1158/files/81545335469.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4976/3494/files/53661811160.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0449/7666/8831/files/benufapuru.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/0913/6024/files/tamil_hd_movies_tamilrockers_2019.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:
togetherintothelight.com
3 samples
Extracted artifacts 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004b4b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4B4B | 5232 bytes |
SHA-256: 9c93a1dbe3a8cf62bde4f6b0225a395bb23b5a9cb633774b250f2ac10f9ae7e6 |
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font_01_sfnt_off00005cef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5CEF | 9688 bytes |
SHA-256: 57d93f12c2e146e1c6cdd5c1c3a09cd2eed58d6d42eabcd73689defbe55f682f |
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font_02_sfnt_off00007e58.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E58 | 16164 bytes |
SHA-256: ebd2804bff382343e08f6a42dc45f69f4e794c08b23908ae60ba78ededae74b1 |
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font_03_sfnt_off00009370.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9370 | 4324 bytes |
SHA-256: 7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71 |
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font_04_sfnt_off0000a171.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA171 | 5112 bytes |
SHA-256: 8ca77f22653fa8dd73497e8daef176ee3d2e17100e5460cb27d0a51fd42ff936 |
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