MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, many of which point to a link farm hosted on cdn.shopify.com. One of the primary links, 'https://ttraff.ru/pify?keyword=absorcion+hierro+pdf', is identified as a malicious redirector. This suggests the document's purpose is to direct users through a chain of links, ultimately leading to a malicious site, while obscuring the final destination through the link farm.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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=absorcion+hierro+pdf In PDF document text
- http://files.arlingtontherapyalliance.com/uploads/1/3/0/7/130775197/luvoluw.pdfIn PDF document text
- http://files.whisperingdoveranch.com/uploads/1/3/1/4/131455680/2b393511b942bd.pdfIn PDF document text
- http://lajagagex.collaborativeteachersinstitute.com/uploads/1/3/0/7/130776257/kiletuku-mibapaxejutebus.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/8930/1409/files/animorphs_book_19.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/8841/8718/files/lezikoterusuwekubusivelis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7303/6697/files/dirks_castes_of_mind.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3538/5243/files/28038087408.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4930/4732/files/pufigadewovomevebanaves.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0902/2886/files/kuluked.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2875/0234/files/14464623247.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7941/7504/files/voxuwomosijugelokatox.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6481/1927/files/19038430182.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9240/1566/files/bank_note_press_recruitment_2020.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7652/5984/files/nutiros.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9108/1882/files/kedimeno.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7982/6589/files/honey_bee_castes.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000787b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x787B | 5132 bytes |
SHA-256: e753e3ab7db4e005c798078c6719815fa2f2ba58f7d080bf5188bed3853ee3d1 |
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font_01_sfnt_off000089eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x89EB | 15244 bytes |
SHA-256: fcdfea6df569cec0eca0ea97c72bc704efd2bf973c28540e34943096fb44236f |
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